Compare 642009 vs 642055
| Property | 642009 | 642055 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 2140031 | 51 × 1284111 |
| Prime factorization | 3 × 214003 | 5 × 128411 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 214003, 642009 | 1, 5, 128411, 642055 |
| Number of properties | 1 | 1 |
| Semiprimes | 137552nd | 137563rd |
| Roman numberals | ||
| Base 2 | 100111001011110110012 | 100111001100000001112 |
| Base 3 | 10121212000103 | 10121212012113 |
| Base 4 | 21302331214 | 21303000134 |
| Base 5 | 1310210145 | 1310212105 |
| Base 6 | 214321336 | 214322516 |
| Base 7 | 53125147 | 53126117 |
| Base 8 | 23457318 | 23460078 |
| Base 9 | 11776039 | 11776549 |
| Base 10 | 64200910 | 64205510 |
| Base 11 | 3a939511 | 3a942711 |
| Base 12 | 26b64912 | 26b68712 |
| Base 13 | 1962b413 | 19631b13 |
| Base 14 | 129d7b14 | 129db114 |
| Base 15 | ca35915 | ca38a15 |
| Base 16 | 9cbd916 | 9cc0716 |